The COVID pandemic is relatively recent but there is a rich tradition of films about viruses. "Viruses on Film," held at the Brooklyn Academy of Music from March 15 - March 23, will screen a range of films covering outbreaks both imaginary and all too real. We'll discuss it with Steven Thrasher, who co-curated the series for BAM and is the author of "The Viral Underclass: The Human Toll When Inequality and Disease Collide."